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九年级英语第二十单元_九年级英语教案,
</Script>科目 英语
年级 初三
文件 middle3 unit20.1.doc
标题 The World\'s Population
章节 第二十单元
关键词
内容
一、教法建议
单元双基学习目标
Ⅰ. 词汇学习
population , billion , India , following , grow , beginning , century . UN , at the beginning of , the more developed countries , the less developed countries , the developing countries , in the year 2000 , hour after hour , on the earth
Ⅱ. 句型结构
What\'s the population of Germany ?
By what year will the world\'s population reach 6 billion ?
I didn\'t know that China\'s population would grow so fast .
We never asked what would happen to the world .
Ⅲ. 课文学习
本单元的中心话题是当代人类最为关注的人口问题，通过学习课文了解世界人口的状况
并学习过去将来时的用法。语法重点学习过去将来时。
单元重点词汇点拨
1 . population 人口；人数
— What\'s the population of that city ? 那个城市的人口有多少 ?
— The city has a population of 300 , 3000 . 该市有30万人口。
The population of the city is less than / 200 , 000 . 此城的人口不到20万。
〖 点拨 〗population 作主语谓语通常用单数，但当其前面有百分数、分数修饰时，谓语用复数。have a population of 有……人口。问人口多少有 what 或者 how large 。
2 . following 接着的；以下的
He became quite well the following day . 第二天，他的身体便好了。
Please translate the following sentences into English .
3 . mouth 嘴
Open your mouth , please .
The boy filled his mouth with food .
His mouth is watering . 他在流口水。
〖 点拨 〗复数直接加 s 。have a dirty mouth 说脏话。from hand to mouth 勉强糊口。
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